{equations} is about the various environments to typeset displaystyle mathematics, e.g. equation and {align}. For general questions about mathematical typesetting use {math-mode}. Both tags are possible on the same question.

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10
votes
3answers
393 views

Boxed equation with number

My minimum working example: \documentclass{report} \usepackage{amsmath} \begin{document} \begin{center} \boxed{K_{k+1}=P_ka_{k+1}^T(a_{k+1}P_ka_{k+1}^T+I_N)^{-1}} \end{center} \end{document} ...
10
votes
4answers
339 views

Depth and height confusion

I create two equations: $x \notin \mathbb{N}$; and $x \in \mathbb{N}$. As it turns out, both have the same depth value: Depth = 0.39098pt Height = 7.5pt Depth = 0.39098pt Height = 6.88889pt ...
10
votes
2answers
2k views

How to format Maxwell equations?

Is there a variant of split environment from amsmath package which would allow for two aligned equations in a row? I want to format two pairs of Maxwell equations in two rows and put single equation ...
10
votes
2answers
3k views

Equations and Double Spacing

If a document (in any class) is double spaced, how do you redefine the spacing around centered equations as if there was single spacing? Whenever I use double spacing, I feel like the space before and ...
9
votes
1answer
9k views

aligning split equation

I am new to Latex ;) I split my equation like this: \begin{equation} \begin{split} \tilde{m}=P\tilde{M} \\ \quad = K(R^1R^2R^3t) \begin{pmatrix} X \\ Y \\ 0 \\ 1 \end{pmatrix} \\ \quad= ...
8
votes
2answers
250 views

How to align multiple symbols for a long equation?

\documentclass[11pt]{article} \usepackage{xfrac, array, tabu, multirow, graphicx, setspace, dcolumn, tikz} \usepackage[fleqn]{mathtools} %the argument for d specifies the maximum number of decimal ...
8
votes
2answers
852 views

Smartly omit chapter number in equation numbering

In my thesis I use chapters, sections and subsection. I like to have my equations numbered with respect to section, but I want the displayed equations numbers not to include the chapter number. ...
8
votes
2answers
654 views

Equation with Large Matrix Dimension

I'm trying to code this matrix equation below, I'm not an expert in latex, but I've been successful dealing with other matrix equations. However with this one, I can't achieve it. The alignment of ...
8
votes
3answers
355 views

Changing the number of figure or equation automatically in text by changing the places of figures and equations

Is it possible to automatically reference a figure and equations in text? I meant sth like bibliography references. Moreover, by changing the place of the figures or equations relevant figure or ...
7
votes
2answers
1k views

Typesetting double brackets and double parentheses

I need the LaTeX equation with double square bracket and double paranthesis. Can anyone suggest me the proper code? Here, I had attached the screenshots.
7
votes
3answers
3k views

How to split optimisation problem over two lines?

I have this expression involving minimisation. How do I split it over two lines? The problem is \min seems to be separated from the objective function. breqn does not seem to work, as this is not an ...
7
votes
2answers
602 views

How do I format this equation in LaTeX?

I want to write this equation in Latex. Sorry, I don't know what's the specific name of this kind of equation. I know title is so general.
6
votes
1answer
203 views

Number quote environment like an equation

I want to put an equation number to the right of a quote (the environment) as if it was an equation. I have looked at Equations with only text in them, How can I make LaTeX number my quotes and How ...
6
votes
1answer
922 views

Equation number too close to my equation

My equation number is being placed directly below my equation, so close they're almost touching and it looks really bad. Is there any way that I can get it to move down a little bit? Here's a picture. ...
6
votes
2answers
327 views

LaTex Error Help- Math Related

I'm trying to make an equation array \begin{eqnarray*} f^{(a)} (0) &=& \frac{a!}{2 \pi i} \oint_{ |z| = \frac{\varepsilon}{r}} \frac{f(z)}{(z)^{a+1}} dz &=& &=& ...
6
votes
2answers
2k views

Underlining an equation in an align block

I'm trying to set up a system of equations and want to underline the last equation, but can't figure it out. Here's what I have: \begin{alignat*}{4} &F_n &- mg &- F_a\sin 32^\circ &= ...
6
votes
1answer
430 views

Equation tag in twoside-mode outer

At the moment I thinking about the following think. When I use the twoside mode to write a book I want to print the number of the equation outer. I can modify it manually with these two commands: ...
5
votes
2answers
693 views

Number of Equation: 1, 1a, 1b

Following Problem: I have a PDE and two boundary conditions what i actually want is: PDE (1) BC1 (1a) BC2 (1b) and what i have is: PDE (1) BC1 (2a) BC2 (2b) is there something which provides a ...
5
votes
2answers
210 views

How can I vertically align the numerators of two fractions?

I am writing the following formula: % arara: lualatex \documentclass{article} \usepackage{mathtools} \usepackage{unicode-math} \begin{document} ...
5
votes
1answer
128 views

how to tag an equation within an itemize - using amsart

I'm doing the following thing \documentclass[leqno]{amsart} \begin{document} Example. \begin{itemize} \item Such and so \item the following holds \begin{align} x - 2 \end{align} ...
5
votes
2answers
970 views

How to make equations, figures and theorems use the same numbering scheme

It was asked a while ago how to make equation use the same counter as a theorem for example and one solution was to make the theorem counter use the equation instead by using ...
4
votes
1answer
405 views

The equation is too long to fit in the beamer frame, but split environment does not work

The main code is as follow: \begin{frame} \frametitle{Householder Transformation} \begin{equation} %\onslide<1-> \mathop{ \begin{pmatrix} \times & \times &\times \\ ...
4
votes
1answer
13k views

Latex question “Missing $ inserted

I want to write this simple equation in latex 2/|w| In which |w| is the norm of w,, I tried with \frac{2}{\|w\|} And get error "Missing $ inserted" then I use this ...
4
votes
1answer
10k views

Problem putting matrix operations in an equation [duplicate]

Possible Duplicate: Errors in matrix equation? I'm trying to use official equation container for the first time, and it's giving me some trouble. I have this equation of a simple matrix ...
4
votes
3answers
6k views

amsmath - multiple labels in one equation

I would like to use multiple labels in the same equation when using amsmath. Basic latex already has this feature, but not amsmath, which seems to manipulate labels in complicated ways. Is it possible ...
3
votes
2answers
66 views

Refer to the “name” of an equation, while a List of Equations is generated using these names

I link two questions below because I use their solution, to number my equations and generate a list of my equations. My question about numbering equations: Number of Equation: 1, 1a, 1b Generate a ...
3
votes
1answer
97 views

Equations with only text in them

I would like to include equations in my article which have only text in them (in some cases there may be a little math) so that it keeps proper formatting. I tried using \mbox but then the text is so ...
3
votes
1answer
65 views

Cross-referenced equation never becomes defined

I have a strange problem with cross-referencing my equations: no matter how often I run pdflatex they stay undefined. Other references do get resolved. Is there something wrong with the way I label ...
3
votes
2answers
383 views

Write this equation

I want to write this equation in this way down but I have been unsuccessful. How can I improve this codes in order to get the equation below? \[ DeltaC{t} = \left\{ \begin{array}{ll} -1.40- ...
3
votes
1answer
127 views

To have nice tabbed text next to equations?

I want I have at the moment by \documentclass{article} \usepackage{amsmath} \begin{document} \begin{subequations} \begin{equation} \omega_c = \sqrt{\omega_{0}^{2} - \mu^{2}}, \mu < ...
3
votes
2answers
2k views

Break Large Equation Between Parenthesis Using Multline

I have a very large equation that I need to write in multiple lines, but multiline is not working between parenthesis. This is my LaTeX code: \begin{multline} e^{-y \lambda_n} \left( ...
3
votes
1answer
337 views

Align all equal signs in the document

Is there a way to align all the equal signs in all equations all over the document? I write a theses (scrbook) and like all equal signs to line up. At least in a chapter if not possible for the whole ...
3
votes
3answers
1k views

How to vertically center `\begin{equation}…\end{equation}` in a table cell?

How to vertically center \begin{equation}...\end{equation} in a table cell? Minimal Code (I cannot minimize anymore) \documentclass{article} \usepackage{array,longtable,calc,amsmath} ...
2
votes
3answers
64 views

Adding labels to the equations when they are broken

\begin{align} \begin{split} \pd{EU}{\alpha} &= d(\theta) U'(\pi_{1}) [G_{\alpha}(\alpha, \theta, \epsilon) - \widebar{P} C_{\alpha}(\alpha, \theta)] \\ &+ (1-d(\theta)) ...
2
votes
6answers
129 views

how to write a multi-row equation with a lot of material in each row

\[ \frac{1}{z^p}\left[ f(z)*\left( \frac{z^p - D z^{p+1}}{(1-z)^{2}} + \frac{\beta e^{i\theta}(D-1)z^{p+1}}{(1-z)^{2}}\right) \right] \] \[ =\frac{1}{z^p}\left[ f(z)*\left( z^p + \sum ...
2
votes
1answer
147 views

$$, \[ \] and equation environment alignment

I'm using scrreprt class and I'm having troubles with different behavior of $$ and \[ \]-written equations and equation environment. The problem is that alignment is not the same: $$ equations are ...
2
votes
1answer
232 views

Numbering equations within dynblocks environment

I'm trying to number an equation inside an environment created for customed blocks with equations like those contained in how to adjust the latex beamer block width to the size of its content?. But I ...
2
votes
1answer
784 views

why mathtools does not work for showing only equations which are referred to in the text?

I am using mathtools in the following way: \usepackage{mathtools} \mathtoolsset{showonlyrefs,showmanualtags} Then, to refer to equations I use \refeq{equation}. What happens is that there is a ...
1
vote
1answer
91 views

Multiline equations with one identifier

I have a two line equation, but the following code puts two numbers (e.g. (1) and (2)) \begin{alignat}{2} &E_{peer} = E_{miss} \\ &+ h_{3} \times ...
1
vote
1answer
362 views

Two columns of equations, aligned and just one number per column

I'm writing a two-column document, and I want to display two sets of large equations floating at the top. Each equation set should be aligned within the same column, and only the two top equations ...
34
votes
3answers
105k views

How do you center equations?

I can't seem to center equations without causing some weird formatting problem. The following results in the R being dropped: \begin{center} E(R_{i,t})=E(\alpha_i)+E(\beta_{i,F_1 } ...
21
votes
3answers
5k views

Guidelines for typesetting fractions

I realize that this question is to some extent subjective. However, I suspect that there are some common standards regarding how fractions ought to be typeset in mathematics. The guide Mathematical ...
14
votes
5answers
678 views

How to split a long formula and make it beautiful?

My method: \documentclass[UTF8]{ctexart} \usepackage{amsmath} \usepackage{amssymb} \usepackage{graphicx} \usepackage{epstopdf} \usepackage{inputenc} \begin{document} \begin{equation} \begin{split} ...
21
votes
1answer
4k views

Aligned equations inside of TikZ node.

How can I create a tree node with an aligned math equations inside? \begin{align} \end{align} doesn't work \begin{minipage}{100} \begin{align} ... \end{align} \end{minipage} Gives a lot ...
19
votes
3answers
4k views

Add equation name underneath equation number

I am wondering if it is possible (and if so how) to add names to equations just underneath the equation number. I am just using the standard equation environment to display the equation centered in ...
19
votes
2answers
16k views

Custom equations' names

Do you know ho can i call a reference to an equation using \ref or \eqref and obtain (name of the equation) instead of the standard counter? Thanks!
7
votes
1answer
1k views

Fancy box around equation

I am trying to get my equations to show up like: This is my attempt thus far: \documentclass[11pt,fleqn]{book} \usepackage[top=3cm,bottom=3cm,left=3.2cm,right=3.2cm,headsep=10pt,a4paper]{geometry} ...
6
votes
1answer
1k views

How to draw slope fields with all the possible solution curves in latex

Sorry, I have no code to submit, mostly because I have no idea how to do this. I want to type up my homework (I can do the homework by hand) and I am looking for a simple method that I can use ...
15
votes
6answers
2k views

Which equations should be numbered? [closed]

Is the best practice to number all equations, or just those that will be referred to?
14
votes
1answer
19k views

Change the type of equation numbering in document class article [duplicate]

Possible Duplicate: Continuous v. per-chapter/section numbering of figures, tables, and other document elements I have written my thesis in document class 'article' (don't ask me why). Now ...